Dunnahan Family History

You can see how Dunnahan families moved over time by selecting different census years. The Dunnahan family name was found in the USA in 1920. In 1920 there was 1 Dunnahan family living in Iowa. This was 100% of all the recorded Dunnahan's in USA. Iowa had the highest population of Dunnahan families in 1920.

Use census records and voter lists to see where families with the Dunnahan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.